自他进校起，我们有必要统计一下他旷了多久的课。
It's necessary for us to work out how long he has been absent from classhe has been absent from class since he entered school.
【考点】简单句．
【答案】he has been absent from class
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/6/27 10:35:59组卷：4引用：1难度：0.7
